#0F0F53#0F0F53

#0F0F53 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.1% C 0.118 H 272.3°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#0F0F53
RGB	rgb(15, 15, 83)
HSL	hsl(240, 69%, 19%)
HSV	hsv(240, 82%, 33%)
CMYK	cmyk(81.9%, 81.9%, 0%, 67.5%)
CIE-LAB	lab(9.54, 26.28, -40.72)
CIE-LCH	lch(9.54, 48.46, 302.84°)
OKLab	oklab(23.14% 0.0048 -0.1178)
OKLCH	oklch(23.14% 0.118 272.3)
XYZ	xyz(1.9286, 1.0675, 8.2863)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0F53 #53530F

analogous

#0F3153 #0F0F53 #310F53

triadic

#0F0F53 #530F0F #0F530F

tetradic

#0F0F53 #530F31 #53530F #0F5331

square

#0F0F53 #530F31 #53530F #0F5331

split-complementary

#0F0F53 #53310F #31530F

monochromatic

#05051A #06061F #0F0F53 #181887 #2222BB

Accessibility & contrast

On white

17.30

#0F0F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0F0F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0F53

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0F53	#FFFFFF	#000000	##FFFFFF
##0F0F53	1.00	17.30	1.21	17.30
#FFFFFF	17.30	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E55

Deuteranopia (green-blind)

#001752

Tritanopia (blue-blind)

#002330

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0f0f53;
/* rgb */ color: rgb(15, 15, 83);
/* oklch */ color: oklch(23.1% 0.118 272.3);

Tailwind

colors: {
  custom: {
    50: '#5b4e84',
    500: '#0f0f53',
    950: '#000000',
  },
}

SCSS

$custom: #0f0f53;
$custom-light: #5b4e84;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0f53",
  "rgb": {
    "r": 15,
    "g": 15,
    "b": 83
  },
  "hsl": {
    "h": 240,
    "s": 69.388,
    "l": 19.216
  },
  "oklch": {
    "l": 0.2314,
    "c": 0.11795,
    "h": 272.3
  },
  "luminance": 0.01068
}

Semantic roles & 50–950 ramp

primary

#0F0F53

secondary

#8D8D31

accent

#EC3CEC

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #0F0F53

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →